Anti-tamper fastener



FIG. 1 is an isometric view of an anti-tamper fastener showing my new design.

FIG. 2 is a front elevation view of the anti-tamper fastener shown in FIG. 1, the rear, right and left side elevation views being identical.

FIG. 3 is a top end view of the anti-tamper fastener shown in FIG. 1.

FIG. 4 is a bottom end view of the anti-tamper fastener shown in FIG. 1; and,

FIG. 5 is a partial cross sectional front elevation view of the anti-tamper fastener taken along line 5—5 of FIG. 3.

The portions of the drawings appearing in broken line are for environment only and do not form a part of the design. 

The ornamental design for an anti-tamper fastener, as shown and described. 